Ocean Reef EXTENDER KIT (Retrofittable on Space, G.Divers & N3 Masks)The perfect addition to your Gdivers basic model IDM, or any other OCEAN REEF full face scuba masks from 2006 on (with nylon clamping band). This kit is available in 7 different colours. Features frame : frames are an extra protection for your head, an aesthetic finishing to your mask, a customisation to better identify the diver and a wide surface to add anything you can think of. On the top there is a flat surface, perfect to add any GoPro like